$OpenBSD: patch-source_m-png_c,v 1.3 2014/05/01 13:43:13 benoit Exp $
--- source/m-png.c.orig	Tue Dec 27 01:46:06 2011
+++ source/m-png.c	Fri Jan 18 09:39:09 2013
@@ -65,7 +65,7 @@
 
   if (!png_ptr) return; 
 
-  longjmp(png_jmpbuf(png_ptr), 1);
+  png_longjmp(png_ptr, 1);
 }
 
 static void MdcPngWarn(png_structp png_ptr, png_const_charp warning_msg)
